#include<stdio.h>
int main()
{
	char s[100]=" I like,,,.. C++ programming!";
	int i=0;
	char c;
	while(s[i]!='\0')
	{
		if(s[i]!=' '&&s[i]!=','&&s[i]!='.'&&s[i]!='!'&&s[i]!='?')
		{
			c=s[i];
			printf("%c",c);
		}
		else
		printf(" ");
		i++;
	}
	return 0;
}
